31116540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 192

約数和(自身を含む): 110638080

約数和(自身を除く): 79521540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 41, 42, 52, 60, 65, 70, 78, 82, 84, 91, 105, 123, 130, 139, 140, 156, 164, 182, 195, 205, 210, 246, 260, 273, 278, 287, 364, 390, 410, 417, 420, 455, 492, 533, 546, 556, 574, 615, 695, 780, 820, 834, 861, 910, 973, 1066, 1092, 1148, 1230, 1365, 1390, 1435, 1599, 1668, 1722, 1807, 1820, 1946, 2085, 2132, 2460, 2665, 2730, 2780, 2870, 2919, 3198, 3444, 3614, 3731, 3892, 4170, 4305, 4865, 5330, 5421, 5460, 5699, 5740, 5838, 6396, 7228, 7462, 7995, 8340, 8610, 9035, 9730, 10660, 10842, 11193, 11398, 11676, 12649, 14595, 14924, 15990, 17097, 17220, 18070, 18655, 19460, 21684, 22386, 22796, 25298, 27105, 28495, 29190, 31980, 34194, 36140, 37310, 37947, 39893, 44772, 50596, 54210, 55965, 56990, 58380, 63245, 68388, 74087, 74620, 75894, 79786, 85485, 108420, 111930, 113980, 119679, 126490, 148174, 151788, 159572, 170970, 189735, 199465, 222261, 223860, 239358, 252980, 296348, 341940, 370435, 379470, 398930, 444522, 478716, 518609, 598395, 740870, 758940, 797860, 889044, 1037218, 1111305, 1196790, 1481740, 1555827, 2074436, 2222610, 2393580, 2593045, 3111654, 4445220, 5186090, 6223308, 7779135, 10372180, 15558270, 31116540]

約数ペア:

[(1, 31116540), (2, 15558270), (3, 10372180), (4, 7779135), (5, 6223308), (6, 5186090), (7, 4445220), (10, 3111654), (12, 2593045), (13, 2393580), (14, 2222610), (15, 2074436), (20, 1555827), (21, 1481740), (26, 1196790), (28, 1111305), (30, 1037218), (35, 889044), (39, 797860), (41, 758940), (42, 740870), (52, 598395), (60, 518609), (65, 478716), (70, 444522), (78, 398930), (82, 379470), (84, 370435), (91, 341940), (105, 296348), (123, 252980), (130, 239358), (139, 223860), (140, 222261), (156, 199465), (164, 189735), (182, 170970), (195, 159572), (205, 151788), (210, 148174), (246, 126490), (260, 119679), (273, 113980), (278, 111930), (287, 108420), (364, 85485), (390, 79786), (410, 75894), (417, 74620), (420, 74087), (455, 68388), (492, 63245), (533, 58380), (546, 56990), (556, 55965), (574, 54210), (615, 50596), (695, 44772), (780, 39893), (820, 37947), (834, 37310), (861, 36140), (910, 34194), (973, 31980), (1066, 29190), (1092, 28495), (1148, 27105), (1230, 25298), (1365, 22796), (1390, 22386), (1435, 21684), (1599, 19460), (1668, 18655), (1722, 18070), (1807, 17220), (1820, 17097), (1946, 15990), (2085, 14924), (2132, 14595), (2460, 12649), (2665, 11676), (2730, 11398), (2780, 11193), (2870, 10842), (2919, 10660), (3198, 9730), (3444, 9035), (3614, 8610), (3731, 8340), (3892, 7995), (4170, 7462), (4305, 7228), (4865, 6396), (5330, 5838), (5421, 5740), (5460, 5699)]